Wibtbow-pasteweb



TED STATE@ PATENT OFFTQE.

IRVING ROOT, OF AUSTIN, TEXAS.

WIND OWFASTENER.

Specification of Letters Patent No. 21,370, dated August 31, 1858.

To all whom 'it may concern:

Be it known that I, IRVING ROOT, a native of the United States of America, a resident citizen of the city of Austin, in Travis county, in the State of Texas, have invented a new and useful Spring for Fastening Sliding Windows; and I declare that the following is` a full and exact description of the construction and operation of saine, reference being had to the accompanying drawing, which is inade a part of this speci cation, in which- A A is a perspective view.

B B is a side view.

Figure l is the window fastening coniplete. Fig. 2 plate and cross section. Fig. 3 the handle or leverside View. Fig. 4 bolt. Fig. 5 the spring.

a represents the plate to be screwed upon the lower side rail.

l represents the fulcrurn with a lever and a bolt attached to the fulcruln which is a round cylinder to fit the holes or tubes in the upper rail, which holes are only bored half through the corresponding side rail of the upper sash Fig. 4. a and in perspective view represent these tubes.

To prevent friction the upper rail is grooved and plated. Plates must be inserted in the thiinbles to resist giinlets from without; the thinibles to be at the respective distances of the window lights.

The sash may be fastened when sliding downward from the upper part of window or when sliding upward from the lower part of window. To realize the full benefits of the fastener each sash must be made sliding.

What I claim and desire to secure Letters Patent for is- The plate and thilnbles, the groove, the spring plate and cylinder construction and operating in the manner herein specified. (See their drawing, marked I. ROOT, window fastener.)

IRVING ROOT.

Witnesses:

JNO. A. GREEN, J. THOMPSON I-IALLETT. 

